HELPLIB.HLB  —  CRTL  mmap
    Maps file system object into virtual memory. This function is
    reentrant.

    Format

      #include  <types.h>

      #include  <mman.h>

      void mmap  (void *addr, size_t len, int prot, int flags, int
                 filedes, off_t off); (X/Open, POSIX-1)

      void mmap  (void *addr, size_t len, int prot, int flags, int
                 filedes, off_t off ...); (DEC C Extension)
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Function Variants Arguments Description Return Values
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